The Symposium on Practical Applications of Neutron Radiography and Gaging was held at the National Bureau of Standards (NBS) in Gaithersburg, Md., on 10-11 Feb. 1975. The meeting was sponsored jointly by NBS and The American Society for Testing and Materials (ASTM). ASTM Committee E07 on Nondestructive Testing and Subcommittee E07.05 on Neutron ...

This test reports presents results of nine online dissolved oxygen analyzers field-tested in a wastewater treatment plant environment of secondary activated sludge aeration basins. This field-test was conducted over a period of three months utilizing galvanic, fluorescence and polarographic technologies. The Sanitary District of ...

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